DE60321099D1 - Gas flow measurement using gas concentration measurements - Google Patents

Gas flow measurement using gas concentration measurements

Info

Publication number
DE60321099D1
DE60321099D1 DE60321099T DE60321099T DE60321099D1 DE 60321099 D1 DE60321099 D1 DE 60321099D1 DE 60321099 T DE60321099 T DE 60321099T DE 60321099 T DE60321099 T DE 60321099T DE 60321099 D1 DE60321099 D1 DE 60321099D1
Authority
DE
Germany
Prior art keywords
gas
flow measurement
concentration measurements
gas flow
gas concentration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60321099T
Other languages
German (de)
Inventor
Akinobu Moriyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Application granted granted Critical
Publication of DE60321099D1 publication Critical patent/DE60321099D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0026—General constructional details of gas analysers, e.g. portable test equipment using an alternating circulation of another gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Fuel Cell (AREA)
DE60321099T 2002-08-22 2003-08-22 Gas flow measurement using gas concentration measurements Expired - Lifetime DE60321099D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002242316 2002-08-22
JP2003037014A JP4254263B2 (en) 2002-08-22 2003-02-14 Gas flow measuring device and gas flow measuring method

Publications (1)

Publication Number Publication Date
DE60321099D1 true DE60321099D1 (en) 2008-07-03

Family

ID=31190388

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60321099T Expired - Lifetime DE60321099D1 (en) 2002-08-22 2003-08-22 Gas flow measurement using gas concentration measurements

Country Status (4)

Country Link
US (1) US6842705B2 (en)
EP (1) EP1391700B1 (en)
JP (1) JP4254263B2 (en)
DE (1) DE60321099D1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7269993B2 (en) * 2004-06-29 2007-09-18 Honda Motor Co., Ltd. Gas detecting apparatus, gas detecting method and fuel cell vehicle
US7284448B2 (en) * 2004-11-16 2007-10-23 University Of Florida Research Foundation, Inc. Device and method for passively measuring fluid and target chemical mass fluxes in natural and constructed non-porous fluid flow system
JP4923424B2 (en) * 2005-03-24 2012-04-25 日産自動車株式会社 Fuel cell system
EP2218442A1 (en) * 2005-11-09 2010-08-18 CombinatoRx, Inc. Methods, compositions, and kits for the treatment of ophthalmic disorders
TW200719512A (en) * 2005-11-09 2007-05-16 Syspotek Corp Feedback type fuel cell
FR2914786A1 (en) * 2007-04-06 2008-10-10 Peugeot Citroen Automobiles Sa Gas flow rate evaluating method for fuel cell of e.g. motor vehicle, involves calculating total molar flow rate of gas with respect to formula comprising parameters of hydrogen concentrations, current, number of cells and Faraday's constant
JP2008300227A (en) * 2007-05-31 2008-12-11 Toshiba Corp Fuel cell device and electronic equipment system equipped with this
DE102009057130A1 (en) * 2009-12-08 2011-06-09 Heinrich-Heine-Universität Düsseldorf Method for analyzing the composition of gas mixtures
MY150333A (en) * 2010-03-08 2013-12-31 Conducta Endress & Hauser Measuring device for use in a biogas plant
US9863850B2 (en) 2012-01-02 2018-01-09 Rototest International Ab Method and system for measuring the mass flow by means of dilution of an exhaust gas from internal combustion
US9310349B2 (en) * 2013-12-10 2016-04-12 Continental Automotive Systems, Inc. Sensor structure for EVAP hydrocarbon concentration and flow rate
CN104931650B (en) * 2015-05-22 2017-01-04 江苏大学 A kind of method measuring fluidics sprinkler gas content
JP6734189B2 (en) * 2016-12-26 2020-08-05 京セラ株式会社 Fuel cell device and method of controlling fuel cell device
JP2019145380A (en) * 2018-02-22 2019-08-29 株式会社デンソー Hydrogen flow rate measurement apparatus, fuel cell system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881351A (en) 1972-06-29 1975-05-06 Gen Motors Corp Method of measuring the mass flow rate of a constituent of a gaseous stream
JP2799885B2 (en) * 1989-08-28 1998-09-21 日本酸素株式会社 Trace oxygen measurement method and device
JP3583890B2 (en) 1997-03-04 2004-11-04 日本碍子株式会社 Gas sensor and control method of gas sensor
US6033459A (en) * 1997-07-15 2000-03-07 Nec Corporation Gas collection apparatus, gas analyzing apparatus using the same and gas analyzing method
DE19819581C2 (en) 1998-04-30 2002-08-08 Siemens Ag Procedure for determining the NO¶x¶ concentration
US6274016B1 (en) * 1998-06-29 2001-08-14 Kabushiki Kaisha Riken Nitrogen oxide gas sensor
DE19955125A1 (en) * 1998-11-16 2000-06-21 Denso Corp Gas sensor to detect the concentration of nitrous oxides in automotive exhaust gases maintains accuracy under a wide range of temperatures
JP3560316B2 (en) * 1998-11-25 2004-09-02 日本特殊陶業株式会社 Gas sensor, method of manufacturing the same, and gas sensor system
JP3468731B2 (en) 2000-01-14 2003-11-17 株式会社日立製作所 Thermal air flow sensor, element, and internal combustion engine controller

Also Published As

Publication number Publication date
EP1391700B1 (en) 2008-05-21
US6842705B2 (en) 2005-01-11
JP4254263B2 (en) 2009-04-15
EP1391700A1 (en) 2004-02-25
US20040035219A1 (en) 2004-02-26
JP2004138595A (en) 2004-05-13

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Legal Events

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